CVE-2026-26167: CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') in Microsoft Windows 10 Version 1607
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push Notifications allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-26167) involves a race condition (CWE-362) in the Windows Push Notifications component of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). The flaw arises from improper synchronization when concurrently accessing shared resources, enabling an authorized local attacker to elevate privileges. The vulnerability has been assigned a CVSS v3.1 base score of 8.8, indicating high impact on confidentiality, integrity, and availability. Microsoft has released an official fix to remediate this issue, as documented in their security update guide.
Potential Impact
An authorized local attacker can exploit this race condition vulnerability to elevate their privileges on the affected Windows 10 Version 1607 system. This could lead to complete compromise of system confidentiality, integrity, and availability.
Mitigation Recommendations
An official fix is available from Microsoft for this vulnerability. Users and administrators should apply the security update provided by Microsoft as detailed in the vendor advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26167 to remediate this issue.
CVE-2026-26167: CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') in Microsoft Windows 10 Version 1607
Description
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push Notifications allows an authorized attacker to elevate privileges locally.
CVSS v3.1
Score 8.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-26167) involves a race condition (CWE-362) in the Windows Push Notifications component of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). The flaw arises from improper synchronization when concurrently accessing shared resources, enabling an authorized local attacker to elevate privileges. The vulnerability has been assigned a CVSS v3.1 base score of 8.8, indicating high impact on confidentiality, integrity, and availability. Microsoft has released an official fix to remediate this issue, as documented in their security update guide.
Potential Impact
An authorized local attacker can exploit this race condition vulnerability to elevate their privileges on the affected Windows 10 Version 1607 system. This could lead to complete compromise of system confidentiality, integrity, and availability.
Mitigation Recommendations
An official fix is available from Microsoft for this vulnerability. Users and administrators should apply the security update provided by Microsoft as detailed in the vendor advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26167 to remediate this issue.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-02-11T18:33:57.776Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26167","vendor":"Microsoft"}]
Threat ID: 69de7a1882d89c981fd6a683
Added to database: 04/14/2026, 17:32:08 UTC
Last enriched: 06/19/2026, 16:59:32 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 86
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.